Unverified72% confidenceCautionTime unknown
瓷砖墙缝正对安装位时不建议打孔壁挂，孔位落在砖缝易崩瓷且膨胀螺栓吃力不足，应错开至砖面中心或改用免打孔
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72%
Confidence
Long-term
Relevance
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